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1 小狗在小便时为什么在树根、墙根、砖瓦等处 ,抬起一只后腿后再小便 ?这种行为有什么意义 ?狗在动物分类学上称犬 ,属于哺乳纲食肉目犬科动物。人们饲养的狗称家犬 ,家犬至少大部分家犬 ,是由普通狼演化而来的 ,狼在外出捕食时 ,必须能准确地返回 ,这对巢穴中的幼狼和狼的群
1 When puppies urinate, why do they urinate after raising a hind leg after rooting in a tree root, brick wall, etc. What is the significance of this behavior? Dogs are dogs in animal taxonomy and belong to mammals. Family animals. Dogs raised by dogs are known as domestic dogs, and at least most domestic dogs of dogs are evolved from ordinary wolf. When the wolf is out hunting, the wolf must be able to return accurately. This is a group of young wolf and wolf in the nest.